English
Related papers

Related papers: Toward Optimal Sampling Rate Selection and Unbiase…

200 papers

Currently, it is a hot research topic to realize accurate, efficient, and real-time identification of massive spectral data with the help of deep learning and IoT technology. Deep neural networks played a key role in spectral analysis.…

Machine Learning · Computer Science 2022-06-28 Yundong Sun , Dongjie Zhu , Haiwen Du , Yansong Wang , Zhaoshuo Tian

Learning from imbalanced data is one of the most significant challenges in real-world classification tasks. In such cases, neural networks performance is substantially impaired due to preference towards the majority class. Existing…

Machine Learning · Computer Science 2022-11-13 Bronislav Yasinnik , Moshe Salhov , Ofir Lindenbaum , Amir Averbuch

Sensor-based human activity recognition (HAR) requires to predict the action of a person based on sensor-generated time series data. HAR has attracted major interest in the past few years, thanks to the large number of applications enabled…

Machine Learning · Computer Science 2021-03-30 Davide Buffelli , Fabio Vandin

Deep learning methods have been widely used for Human Activity Recognition (HAR) using recorded signals from Iner-tial Measurement Units (IMUs) sensors that are installed on various parts of the human body. For this type of HAR, sev-eral…

Machine Learning · Computer Science 2025-02-10 Saeed Arabzadeh , Farshad Almasganj , Mohammad Mahdi Ahmadi

Change detection is a quite challenging task due to the imbalance between unchanged and changed class. In addition, the traditional difference map generated by log-ratio is subject to the speckle, which will reduce the accuracy. In this…

Computer Vision and Pattern Recognition · Computer Science 2019-06-26 Rongfang Wang , Jie Zhang , Jia-Wei Chen , Licheng Jiao , Mi Wang

Ensembling a neural network is a widely recognized approach to enhance model performance, estimate uncertainty, and improve robustness in deep supervised learning. However, deep ensembles often come with high computational costs and memory…

Integrated sensing and communication (ISAC) is a headline feature for the forthcoming IMT-2030 and 6G releases, yet a concrete solution that fits within the established orthogonal frequency division multiplexing (OFDM) family remains open.…

Signal Processing · Electrical Eng. & Systems 2025-06-23 Hyeonho Noh , Hyeonsu Lyu , Moe Z. Win , Hyun Jong Yang

Deep metric learning aims to learn an embedding space, where semantically similar samples are close together and dissimilar ones are repelled against. To explore more hard and informative training signals for augmentation and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Zheren Fu , Zhendong Mao , Bo Hu , An-An Liu , Yongdong Zhang

Intermediate features at different layers of a deep neural network are known to be discriminative for visual patterns of different complexities. However, most existing works ignore such cross-layer heterogeneities when classifying samples…

Computer Vision and Pattern Recognition · Computer Science 2016-07-20 Xiaojie Jin , Yunpeng Chen , Jian Dong , Jiashi Feng , Shuicheng Yan

With the rapid growth of the Internet of Things ecosystem, Automatic Modulation Classification (AMC) has become increasingly paramount. However, extended signal lengths offer a bounty of information, yet impede the model's adaptability,…

Signal Processing · Electrical Eng. & Systems 2024-05-21 Yezhuo Zhang , Zinan Zhou , Yichao Cao , Guangyu Li , Xuanpeng Li

Given that AI systems are set to play a pivotal role in future decision-making processes, their trustworthiness and reliability are of critical concern. Due to their scale and complexity, modern AI systems resist direct interpretation, and…

Artificial Intelligence · Computer Science 2025-01-03 Binxia Xu , Antonis Bikakis , Daniel Onah , Andreas Vlachidis , Luke Dickens

Conventional compressed sensing (CS) algorithms typically apply a uniform sampling rate to different image blocks. A more strategic approach could be to allocate the number of measurements adaptively, based on each image block's complexity.…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Yujun Huang , Bin Chen , Naiqi Li , Baoyi An , Shu-Tao Xia , Yaowei Wang

Hypernetworks, neural networks that predict the parameters of another neural network, are powerful models that have been successfully used in diverse applications from image generation to multi-task learning. Unfortunately, existing…

Machine Learning · Computer Science 2023-06-30 Jose Javier Gonzalez Ortiz , John Guttag , Adrian Dalca

Test-time adaptation (TTA) refers to adjusting the model during the testing phase to cope with changes in sample distribution and enhance the model's adaptability to new environments. In real-world scenarios, models often encounter samples…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Ziqiong Liu , Yushun Tang , Junyang Ji , Zhihai He

To create state-of-the-art models for many downstream tasks, it has become common practice to fine-tune a pre-trained large vision model. However, it remains an open question of how to best determine which of the many possible model…

Machine Learning · Computer Science 2025-12-08 Simon Guiroy , Mats Richter , Sarath Chandar , Christopher Pal

Achieving top-notch performance in Intelligent Transportation detection is a critical research area. However, many challenges still need to be addressed when it comes to detecting in a cross-domain scenario. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Tong Xiang , Hongxia Zhao , Fenghua Zhu , Yuanyuan Chen , Yisheng Lv

Neural-network classifiers achieve high accuracy when predicting the class of an input that they were trained to identify. Maintaining this accuracy in dynamic environments, where inputs frequently fall outside the fixed set of initially…

Machine Learning · Computer Science 2022-05-03 Anna Lukina , Christian Schilling , Thomas A. Henzinger

Pedestrian detection in the wild remains a challenging problem especially for scenes containing serious occlusion. In this paper, we propose a novel feature learning method in the deep learning framework, referred to as Feature Calibration…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Tianliang Zhang , Qixiang Ye , Baochang Zhang , Jianzhuang Liu , Xiaopeng Zhang , Qi Tian

As deep neural networks include a high number of parameters and operations, it can be a challenge to implement these models on devices with limited computational resources. Despite the development of novel pruning methods toward…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Morteza Homayounfar , Mohamad Koohi-Moghadam , Reza Rawassizadeh , Varut Vardhanabhuti

Attributes, or semantic features, have gained popularity in the past few years in domains ranging from activity recognition in video to face verification. Improving the accuracy of attribute classifiers is an important first step in any…

Computer Vision and Pattern Recognition · Computer Science 2016-04-26 Emily M. Hand , Rama Chellappa